Switching
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8. Switching System GCCFinally, to easy Managing GCC Versions use update-alternatives 
 So first install the New GCC 13.2 with:sudo update-alternatives --install /usr/bin/gcc gcc /usr/local/bin/gcc 10 And then the System GCC with for instance: sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-9 20 Eventually amend the above Command with the Path found on Step 2. 
 Next to Switch between GCC Versions play:sudo update-alternatives --config gcc Last, to test the GCC in use: gcc -v 
 
Congratulations, your GCC 13.2 should be now nicely working on Debian Bookworm. Good Luck! :)
Contents
